package com.cino.demos.chain;

public class bFilter implements Filter{
    @Override
    public void doFilter(Request request, Response response, FilterChain chain) {
        //功能
        request.msg +="====";

        System.out.println("b 前");

        //执行
        chain.doFilter(request,response,chain);

        System.out.println("b 后");
    }
}
